400Joule of heat is produced in 4second in a 4ohm resistor. find the potential difference across the resistor.
Answers
Answered by
1
Heya...
Heat = Power x Time
Q = P x T
Q = I x V x T {Power = voltage × current}
Q = (V/R) x V x T
400 J = (V/4ohm) x V x 4 sec
V x V = 400
or
V = 20 Volts
Hope it helps...
Heat = Power x Time
Q = P x T
Q = I x V x T {Power = voltage × current}
Q = (V/R) x V x T
400 J = (V/4ohm) x V x 4 sec
V x V = 400
or
V = 20 Volts
Hope it helps...
RabbitPanda:
Thnx dear
wlcm
dear
Answered by
1
I =4/4
=1A
potential difference=400/1
=400v
=1A
potential difference=400/1
=400v
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